.home{
    height: 100%;
}
.publishBtn{
    width: 100px;
    height: 100px;
    border-radius: 50px;
    background-color: skyblue;
    position: absolute;
    bottom: 10px;
    right: 40px;
    text-align: center;
    line-height: 100px;
    color: #fff;
    font-size: 60px;
}